沙眼是世界性的感染性致盲的主要原因。目前 ,世界卫生组织 (WHO)及其合作者提倡重复应用大剂量阿奇霉素治疗沙眼衣原体引起的沙眼。在大多数发达国家 ,沙眼已经绝迹。美国最后 1例本地活动性沙眼病例是在 2 0世纪 70年代被证实的。公共卫生工作者普遍认为 ,在大多数沙眼高发区 Trachoma is the world’s leading cause of infectious blinding. At present, the World Health Organization (WHO) and its collaborators advocate the repeated application of high doses of azithromycin to treat trachoma caused by Chlamydia trachomatis. Trachoma has disappeared in most developed countries. The last case of locally active trachoma in the United States was confirmed in the 1970s. Public health workers generally believe that in most trachoma areas